Fix condition text and quantity text

Closes #3
Closes #4

store/tests.py

@@ -237,3 +237,35 @@ class AdminRevenueTests(TestCase):
         self.assertEqual(len(seller_data), 1)
         self.assertEqual(seller_data[0]['total_revenue'], Decimal('1100.00'))
         self.assertEqual(seller_data[0]['platform_fees'], Decimal('30.70'))
+
+class CardListStockTests(TestCase):
+    def setUp(self):
+        # Create Data
+        self.user = User.objects.create_user(username='stock_seller', password='password')
+        self.seller = Seller.objects.create(
+            user=self.user,
+            store_name='Stock Store',
+            slug='stock-store'
+        )
+        self.game = Game.objects.create(name='Stock Game', slug='stock-game')
+        self.set = Set.objects.create(game=self.game, name='Stock Set')
+        self.card = Card.objects.create(set=self.set, name='Stock Card')
+        
+    def test_stock_aggregation(self):
+        # 1. No listings
+        url = reverse('store:card_list')
+        response = self.client.get(url, {'hide_out_of_stock': 'off'})
+        # Expect card in context
+        self.assertEqual(len(response.context['page_obj']), 1)
+        self.assertEqual(response.context['page_obj'][0].total_quantity, 0)
+        
+        # 2. Add listings
+        CardListing.objects.create(card=self.card, seller=self.seller, price=10, quantity=5, status='listed')
+        CardListing.objects.create(card=self.card, seller=self.seller, price=10, quantity=3, status='listed')
+        
+        # Add a sold listing (should be ignored)
+        CardListing.objects.create(card=self.card, seller=self.seller, price=10, quantity=2, status='sold')
+        
+        response = self.client.get(url, {'hide_out_of_stock': 'off'})
+        # Should be 5 + 3 = 8
+        self.assertEqual(response.context['page_obj'][0].total_quantity, 8)